[MacPorts] #58615: texlive-bin-extra @50853_1+doc: texdoc cannot find texlive.tlpdb

[MacPorts]

#58615: texlive-bin-extra @50853_1+doc: texdoc cannot find texlive.tlpdb
----------------------+-------------------------------
 Reporter:  nstanger  |      Owner:  dports@…
     Type:  defect    |     Status:  assigned
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:  2.5.4
 Keywords:            |       Port:  texlive-bin-extra
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 When I attempt to run {{{texdoc}}}, I get the following error:

 {{{texdoc error: No texlive.tlpdb nor shipped tlpdb data found}}}

 As far as I can tell this coincided with the recent switch to TeX Live
 2019 (I use {{{texdoc}}} frequently and it worked OK under 2018). A
 complete uninstall, clean, and re-install of all ports related to TeX Live
 2019 had no effect, other than taking quite some time :).

 It looks like {{{texlive.tlpdb}}} is normally generated by{{{tlmgr}}} (see
 https://tex.stackexchange.com/q/137428), which of course isn’t used by or
 included in the {{{texlive}}} ports.

 The error message itself comes from line 588 of {{{texdoclib-search.tlu}}}
 (https://github.com/TeX-
 Live/texdoc/blob/5f8b971c265db526ab6c0a456eb14c93923e211c/script
 /texdoclib-search.tlu#L588). On lines lines 683–704 it looks like the
 script searches for a local package database file, and when it can’t find
 one, calls {{{get_tlpinfo_from_dist()}}} to find the version supplied with
 the distribution (confirmed by the attached debug output, which includes
 the debug message from line 702), and that doesn’t exist. I’ve not used
 Lua at all, so that’s about as far as I get.

 I’m running High Sierra 10.13.6, FWIW.

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Ticket URL: <https://trac.macports.org/ticket/58615>
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